^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1) /* SPDX-License-Identifier: GPL-1.0+ */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2) /*
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3) * Renesas USB driver
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 4) *
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 5) * Copyright (C) 2011 Renesas Solutions Corp.
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 6) * Kuninori Morimoto <kuninori.morimoto.gx@renesas.com>
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 7) */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 8) #ifndef RENESAS_USB_FIFO_H
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 9) #define RENESAS_USB_FIFO_H
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 10)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 11) #include <linux/interrupt.h>
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 12) #include <linux/sh_dma.h>
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 13) #include <linux/workqueue.h>
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 14) #include <asm/dma.h>
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 15) #include "pipe.h"
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 16)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 17) struct usbhs_fifo {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 18) char *name;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 19) u32 port; /* xFIFO */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 20) u32 sel; /* xFIFOSEL */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 21) u32 ctr; /* xFIFOCTR */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 22)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 23) struct usbhs_pipe *pipe;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 24)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 25) struct dma_chan *tx_chan;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 26) struct dma_chan *rx_chan;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 27)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 28) struct sh_dmae_slave tx_slave;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 29) struct sh_dmae_slave rx_slave;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 30) };
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 31)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 32) #define USBHS_MAX_NUM_DFIFO 4
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 33) struct usbhs_fifo_info {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 34) struct usbhs_fifo cfifo;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 35) struct usbhs_fifo dfifo[USBHS_MAX_NUM_DFIFO];
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 36) };
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 37) #define usbhsf_get_dnfifo(p, n) (&((p)->fifo_info.dfifo[n]))
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 38) #define usbhs_for_each_dfifo(priv, dfifo, i) \
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 39) for ((i) = 0; \
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 40) ((i) < USBHS_MAX_NUM_DFIFO) && \
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 41) ((dfifo) = usbhsf_get_dnfifo(priv, (i))); \
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 42) (i)++)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 43)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 44) struct usbhs_pkt_handle;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 45) struct usbhs_pkt {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 46) struct list_head node;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 47) struct usbhs_pipe *pipe;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 48) const struct usbhs_pkt_handle *handler;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 49) void (*done)(struct usbhs_priv *priv,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 50) struct usbhs_pkt *pkt);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 51) struct work_struct work;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 52) dma_addr_t dma;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 53) const struct dmaengine_result *dma_result;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 54) void *buf;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 55) int length;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 56) int trans;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 57) int actual;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 58) int zero;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 59) int sequence;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 60) };
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 61)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 62) struct usbhs_pkt_handle {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 63) int (*prepare)(struct usbhs_pkt *pkt, int *is_done);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 64) int (*try_run)(struct usbhs_pkt *pkt, int *is_done);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 65) int (*dma_done)(struct usbhs_pkt *pkt, int *is_done);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 66) };
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 67)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 68) /*
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 69) * fifo
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 70) */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 71) int usbhs_fifo_probe(struct usbhs_priv *priv);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 72) void usbhs_fifo_remove(struct usbhs_priv *priv);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 73) void usbhs_fifo_init(struct usbhs_priv *priv);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 74) void usbhs_fifo_quit(struct usbhs_priv *priv);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 75) void usbhs_fifo_clear_dcp(struct usbhs_pipe *pipe);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 76)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 77) /*
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 78) * packet info
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 79) */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 80) extern const struct usbhs_pkt_handle usbhs_fifo_pio_push_handler;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 81) extern const struct usbhs_pkt_handle usbhs_fifo_pio_pop_handler;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 82) extern const struct usbhs_pkt_handle usbhs_ctrl_stage_end_handler;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 83)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 84) extern const struct usbhs_pkt_handle usbhs_fifo_dma_push_handler;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 85) extern const struct usbhs_pkt_handle usbhs_fifo_dma_pop_handler;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 86)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 87) extern const struct usbhs_pkt_handle usbhs_dcp_status_stage_in_handler;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 88) extern const struct usbhs_pkt_handle usbhs_dcp_status_stage_out_handler;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 89)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 90) extern const struct usbhs_pkt_handle usbhs_dcp_data_stage_in_handler;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 91) extern const struct usbhs_pkt_handle usbhs_dcp_data_stage_out_handler;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 92)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 93) void usbhs_pkt_init(struct usbhs_pkt *pkt);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 94) void usbhs_pkt_push(struct usbhs_pipe *pipe, struct usbhs_pkt *pkt,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 95) void (*done)(struct usbhs_priv *priv,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 96) struct usbhs_pkt *pkt),
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 97) void *buf, int len, int zero, int sequence);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 98) struct usbhs_pkt *usbhs_pkt_pop(struct usbhs_pipe *pipe, struct usbhs_pkt *pkt);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 99) void usbhs_pkt_start(struct usbhs_pipe *pipe);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 100) struct usbhs_pkt *__usbhsf_pkt_get(struct usbhs_pipe *pipe);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 101)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 102) #endif /* RENESAS_USB_FIFO_H */
Orange Pi5 kernel
Deprecated Linux kernel 5.10.110 for OrangePi 5/5B/5+ boards
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